Airplane



FIG. 1 is a side elevational view of an airplane depicting our newdesign;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof; and

FIG. 4 is a bottom perspective view thereof.

The broken line disclosure of landing gears is for illustration purposesonly and does not form part of the claimed design.

The ornamental design for an airplane, as shown and described above.